John Allen vs. Mike Vasil — Career Comparison

Looking at the career totals, John Allen and Mike Vasil are fairly close on the surface numbers. Mike Vasil posted stronger numbers in ERA (2.5 vs 18) and WHIP (1.297 vs 2.000). John Allen had the advantage in home runs allowed (0 per nine innings vs 0.71). By the career numbers, Mike Vasil had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.